trim cargo cache in ci

.github/workflows/build.yml

@@ -39,6 +39,10 @@ jobs:
       run: cargo build
     - name: Run tests
       run: cargo test
+    - name: Trim cache
+      run: |
+        cargo install cargo-cache
+        cargo cache trim -l 1G
 
   simd_test:
     runs-on: ubuntu-latest
@@ -65,6 +69,10 @@ jobs:
         override: true
     - name: Run tests
       run: cargo test --features simd
+    - name: Trim cache
+      run: |
+        cargo install cargo-cache
+        cargo cache trim -l 1G
 
   docker_build:
     name: Docker Image Build